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author | Chris Packham <chris.packham@alliedtelesis.co.nz> | 2020-02-05 03:11:12 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-13 00:50:32 +0300 |
commit | 422d97b8b05ed38cc5f67522ddb821868ea272a7 (patch) | |
tree | aecc83db4ac470447b390c93c9ed6438b8643429 /drivers/staging/octeon/ethernet-util.h | |
parent | 96b06c0a16f737e9ea7dff1e23dd5f6d847e6731 (diff) | |
download | linux-422d97b8b05ed38cc5f67522ddb821868ea272a7.tar.xz |
Revert "staging: octeon: delete driver"
This reverts commit 710d7fbe21ee2ceab121f1f84a20edf68f9f9742.
Re-instate the code so subsequent commits can clean it up and get it
building properly.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20200205001116.14096-3-chris.packham@alliedtelesis.co.nz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/octeon/ethernet-util.h')
-rw-r--r-- | drivers/staging/octeon/ethernet-util.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/staging/octeon/ethernet-util.h b/drivers/staging/octeon/ethernet-util.h new file mode 100644 index 000000000000..2af83a12ca78 --- /dev/null +++ b/drivers/staging/octeon/ethernet-util.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * This file is based on code from OCTEON SDK by Cavium Networks. + * + * Copyright (c) 2003-2007 Cavium Networks + */ + +/** + * cvm_oct_get_buffer_ptr - convert packet data address to pointer + * @packet_ptr: Packet data hardware address + * + * Returns Packet buffer pointer + */ +static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr) +{ + return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back) + << 7); +} + +/** + * INTERFACE - convert IPD port to logical interface + * @ipd_port: Port to check + * + * Returns Logical interface + */ +static inline int INTERFACE(int ipd_port) +{ + int interface; + + if (ipd_port == CVMX_PIP_NUM_INPUT_PORTS) + return 10; + interface = cvmx_helper_get_interface_num(ipd_port); + if (interface >= 0) + return interface; + panic("Illegal ipd_port %d passed to %s\n", ipd_port, __func__); +} + +/** + * INDEX - convert IPD/PKO port number to the port's interface index + * @ipd_port: Port to check + * + * Returns Index into interface port list + */ +static inline int INDEX(int ipd_port) +{ + return cvmx_helper_get_interface_index_num(ipd_port); +} |